London: Princess of Wales Kate Middleton is likely to address speculations over her health at an event after she returns to public engagements, according to a report by The Sunday Times. Kate was absent from public duties as she reportedly underwent abdominal surgery at the London Clinic on January 16, but details of her exact conditions have been kept under wraps.London: Princess of Wales Kate Middleton is likely to address speculations over her health at an event after she returns to public engagements, according to a report by The Sunday Times. Kate was absent from public duties as she reportedly underwent abdominal surgery at the London Clinic on January 16, but details of her exact conditions have been kept under wraps.